C++程序  |  50行  |  1.61 KB

#ifndef _DETHREADLOCAL_H
#define _DETHREADLOCAL_H
/*-------------------------------------------------------------------------
 * drawElements Thread Library
 * ---------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief Thread-local storage.
 *//*--------------------------------------------------------------------*/

#include "deDefs.h"

DE_BEGIN_EXTERN_C

/* Thread-local qualifier for variable - not defined if not supported. */
#if (DE_OS == DE_OS_WIN32) && (DE_COMPILER == DE_COMPILER_MSC)
#	define DE_THREAD_LOCAL __declspec(thread)
#elif (DE_OS == DE_OS_UNIX && (DE_COMPILER == DE_COMPILER_GCC || DE_COMPILER == DE_COMPILER_CLANG))
#	define DE_THREAD_LOCAL __thread
#else
	/* Not supported - not defined. */
#endif

typedef deUintptr deThreadLocal;

deThreadLocal	deThreadLocal_create		(void);
void			deThreadLocal_destroy		(deThreadLocal threadLocal);

void*			deThreadLocal_get			(deThreadLocal threadLocal);
void			deThreadLocal_set			(deThreadLocal threadLocal, void* value);

DE_END_EXTERN_C

#endif /* _DETHREADLOCAL_H */